The patient should be cautioned about concomitant use of alcohol or other CNS-active drugs and TENUATE or TENUATE DOSPAN.
The patient should be advised to observe caution when driving or engaging in any potentially hazardous activity.
Antidiabetic drug requirements (i.e., insulin) may be altered. Concurrent use with general anesthetics may result in arrhythmias. The pressor effects of diethylpropion and those of other drugs may be additive when the drugs are used concomitantly; conversely, diethylpropion may interfere with antihypertensive drugs (i.e., guanethidine, a-methyldopa). Concurrent use of phenothiazines may antagonize the anorectic effect of diethylpropion.
Advanced arteriosclerosis, hyperthyroidism, known hypersensitivity or idiosyncrasy to the sympathomimetic amines, glaucoma, severe hypertension.
Patients with a history of drug abuse.
During or within 14 days following the administration of monoamine oxidase inhibitors, hypertensive crises may result.